* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    background: url("https://images.pexels.com/photos/290595/pexels-photo-290595.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1") no-repeat;
    background-size: cover;
}


.Box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 650px;
    height: 400px;
    display: flex;
}

.left {
    position: relative;
    width: 45%;
    height: 100%;
    background: url("https://img0.baidu.com/it/u=4234357226,4114415663&fm=253&fmt=auto&app=138&f=PNG?w=900&h=462") no-repeat;
    background-size: cover;
}

.right {
    position: relative;
    width: 55%;
    height: 100%;
    background-color: rgba(255, 255, 255, 1);
}

.centerBox {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
}

.left img {
    width: 50px;
    height: 50px;
    margin-bottom: 5px;
}

.left p {
    font-size: 14px;
    color: #fff;
}

.left h4 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 10px;
}

.right form {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
}

h3 {
    margin-bottom: 20px;
    color: #5f89ca;
}

input {
    width: 100%;
    height: 30px;
    border: 1px solid #5f89ca;
    background-color: transparent;
    padding-left: 10px;
    font-size: 12px;
    color: #000000;
    margin-bottom: 15px;
    outline: none;
}

.loginBtn {
    width: 100%;
    height: 35px;
    line-height: 32px;
    text-align: center;
    font-size: 15px;
    color: #fff;
    background: #5f89ca;
    outline: none;
    border: none;
    margin-top: 10px;
}

.loginBtn:hover {
    cursor: pointer;
    background-color: deepskyblue;
}

.no {
    cursor: pointer;
    margin-top: 10px;
    text-align: center;
    font-size: 12px;
    color: #828282;
}

.yzmBox {
    display: flex;
    justify-content: flex-start;
}

.yzmBox input {
    width: 70%;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.yzmBox .btn {
    cursor: pointer;
    width: 29%;
    background-color: #5f89ca;
    color: #ffffff;
    height: 30px;
    outline: none;
    border: 1px solid #5f89ca;
    font-size: 12px;
    margin-left: 1%;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}